<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			*{
				padding: 0;
				margin: 0;
			}
		</style>
		<script src='jquery-3.4.1.js'></script>
		<script src='jquery.easing.1.3.js'></script>
		<script>
			$(function(){
				$("#btn").click(function(){
					//var re=$("#fuxuan").attr('checked');
					var re=$("#fuxuan").prop('checked');
					alert(re);
				})
			})
		</script>
	</head>
	<body>
		<input type="button" value='按钮' id='btn' />
		<input type="checkbox" id='fuxuan' />
	</body>
</html>
